20783264702 has 16 divisors (see below), whose sum is σ = 31393288800. Its totient is φ = 10318876128.

The previous prime is 20783264681. The next prime is 20783264743. The reversal of 20783264702 is 20746238702.

It is a self number, because there is not a number n which added to its sum of digits gives 20783264702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290383 + ... + 1306389.

It is an arithmetic number, because the mean of its divisors is an integer number (1962080550).

Almost surely, 2^20783264702 is an apocalyptic number.

20783264702 is a deficient number, since it is larger than the sum of its proper divisors (10610024098).

20783264702 is a wasteful number, since it uses less digits than its factorization.

20783264702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20515.

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 20783264702 in words is "twenty billion, seven hundred eighty-three million, two hundred sixty-four thousand, seven hundred two".